EP 3186198 B1 20200212 - WATER TREATMENT COMPOSITIONS AND METHODS OF USE
Title (en)
WATER TREATMENT COMPOSITIONS AND METHODS OF USE
Title (de)
ZUSAMMENSETZUNGEN ZUR BEHANDLUNG VON WASSER UND VERFAHREN ZUR VERWENDUNG
Title (fr)
COMPOSITIONS DE TRAITEMENT D'EAUX ET PROCÉDÉS D'UTILISATION
Publication
Application
Priority
- IN 2454DE2014 A 20140828
- US 2015046254 W 20150821
Abstract (en)
[origin: WO2016032884A1] Provided are compositions and methods that are useful for clarifying water, reducing turbidity of water, and removing salts from water. The compositions comprise (a) an anionic flocculant comprising at least one of an alkali swellable emulsion (ASE) or hydrophobically-modified alkali swellable emulsion (HASE), and (b) a cationic flocculant comprising (i) an aluminum-containing compound, and (ii) a copolymer of acrylamide and a cationic monomer comprising at least one of a diallyldialkylammonium quaternary compound, acrylamidoalkyltrialkylammonium quaternary compound, methacrylamidoalkyltrialkylammonium quaternary compound, and mixtures thereof.
IPC 8 full level
C02F 1/52 (2006.01); C02F 1/56 (2006.01); C08F 20/10 (2006.01); D21H 17/37 (2006.01); C02F 103/00 (2006.01)
CPC (source: EP US)
C02F 1/5245 (2013.01 - EP US); C02F 1/56 (2013.01 - EP US); C08L 33/02 (2013.01 - US); C08L 33/14 (2013.01 - EP US); C08L 39/00 (2013.01 - US); C02F 2103/001 (2013.01 - EP US); C08L 2205/025 (2013.01 - US); C08L 2205/03 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2016032884 A1 20160303; AR 101419 A1 20161214; BR 112017004052 A2 20180123; BR 112017004052 B1 20211207; CN 106795016 A 20170531; CN 106795016 B 20200915; EP 3186198 A1 20170705; EP 3186198 B1 20200212; MX 2017002482 A 20170519; US 10322955 B2 20190618; US 2017253503 A1 20170907
DOCDB simple family (application)
US 2015046254 W 20150821; AR P150102494 A 20150804; BR 112017004052 A 20150821; CN 201580045773 A 20150821; EP 15757612 A 20150821; MX 2017002482 A 20150821; US 201515506062 A 20150821